Ken Gallager NH Office of Energy and Planning/ State Data Center Census Data in 2011 Ken Gallager NH Office of Energy and Planning/ State Data Center

Data sets we’ll cover today American Community Survey 2010 Census Redistricting (PL 94-171) Shapefiles

American Community Survey Replaces the long form used in previous censuses Continuous sample - 3 million addresses per year 1-year, 3-year, and 5-year estimates Averages over that period of time Greater time period = smaller population base that can be sampled

ACS Sample Populations 1-year samples Areas with populations over 65,000 3-year samples Areas with populations over 20,000 5-year samples All geographic units, down to the block group Comparison of samples: http://www.census.gov/acs/www/guidance_for_data_users/estimates/

ACS – Types of data collected Social characteristics Education Marital status Fertility Grandparent caregivers Veterans Disability status Place of birth Citizenship status Language spoken at home Ancestry or tribal affiliation

ACS – Types of data collected Economic characteristics Income Employment status Occupation/Industry Commuting to work Means of transportation Travel time

ACS – Types of data collected Housing characteristics Tenure Occupancy and structure Housing value Taxes and insurance Utilities Mortgage or monthly rent

ACS – Where to get data Census Bureau NH Office of Energy and Planning American Factfinder ( http://factfinder.census.gov, soon to be http://factfinder2.census.gov ) Download (http://www.census.gov/acs/www/data_documentation/data_main/ ) NH Office of Energy and Planning State Data Center (http://www.nh.gov/oep/programs/DataCenter/ACS/index.htm )

Sample OEP maps using ACS data Median age Percent of workers driving more than 30 minutes to work Percent of population born in New Hampshire

2010 Census Products December 2010: Apportionment data State population totals (resident and non-resident) Feb/March 2011: Redistricting data Population counts; race and Hispanic Housing occupancy status Block level May 2011: Demographic Profile Sex, age groups, race July 2011: Summary File 1 Detailed list: http://www.census.gov/population/www/cen2010/glance/

Redistricting Data – Statewide Shapefiles (pg. 1) County COUSUB – County subdivisions (cities, towns, townships) “Places” – Cities and Census-Designated Places CD108, CD111 – Congressional districts SLDL (State Legislative Districts Lower) – House districts SLDU (State Legislative Districts Upper) – Senate districts

Redistricting Data – Statewide Shapefiles (pg. 2) Tracts BG – Block groups “Tabblocks” - Blocks School Districts: ELSD SCSD UNSD PRISECROADS – Primary and secondary highways

Redistricting Data – County Shapefiles County subdivisions, tracts, block groups, blocks VTD – Voting districts Faces – Most fundamental polygon layer Edges – Coded polygon boundaries Linearwater – Stream network Roads Areawater – Water bodies Arealm – Area landmarks (islands, airports, etc.) Pointlm – Point landmarks (cemeteries, summits, etc.)

Redistricting Data – County tabular files Addr – Address ranges (ARID) Addrfn – Links address ranges (ARID) to roads (LINEARID) Featname – Road feature names (LINEARID) Facesah – Links TFID to HYDROID (water bodies) Facesal – Links TFID to AREAID (landmarks)

Redistricting Data Obtain from US Census Redistricting Office: http://www.census.gov/rdo/data/2010_census_redistricting_pl_94-171_tigerlinetm_shapefiles.html Shapefiles will also be available from GRANIT